Table 4.
Determinants of adherence | |
---|---|
Factor | Effect |
Age | (+); >50 years, p= 0.01 [16] |
(−); p<0.005 [25] | |
Education level | (+); p<0.005 [25] |
Insurance coverage | (+); p= 0.01 [16] |
(×) [25] | |
Employment | (+); p< 0.005 [25] |
Duration of pharmacotherapy | (+); <1 year, p= 0.002 [16] |
(−); p<0.005 [26] | |
Number of medications | (×); p= 0.78 [16] |
Beliefs about medications | (+); p=0.006 [16] |
(×); [25] | |
Perception of disease severity | (+); p= 0.01 [32] |
Perception of barriers to medications use | (+); p< 0.001 [32] |
Knowledge | of disease (+); p= 0.01 [6] |
of medications (+); p< 0.005 [25] | |
Regular visits with physician | (+); p=0.001 [16] |
Self-reported causes for non-adherence | |
Cause | Frequency |
Forgetfulness | 30.1% [25] |
Lack of symptoms | 20.4% [25] |
Side effects | 15.6% [25] |
Lack of efficacy | 9.6% [25] |
(+) shows a direct/positive association or correlation (−) shows an inverse/negative association or correlation, (×) shows no significant relationship.